RITCHEY RT55005317002 Stem Adaptor Shim 796941551052 31.8 28.6MM 1/1

( Brand: Ritchey ), ( Part Type: Stem Adapter ), ( Color: Black ), ( Manufacturer Part Number: RT55005317002 ), ( UPC: 796941551052 )

Review RITCHEY Stem Adaptor Shim Black 31.8 To 28.6mm 1-1

Ritchey Logic Adjustable Stem Shim Kit (RT-55) for 31.8mm to 28.6mm Handlebars

The Ritchey Logic Adjustable Stem Shim Kit (RT-55) is a versatile and essential accessory for cyclists using a 31.8mm handlebar with a stem that requires a 28.6mm handlebar clamp diameter. This shim kit is designed by Ritchey, a well-known and trusted brand in the cycling industry, and comes with a variety of shims to ensure a secure and accurate fit.

The RT-55 shim kit includes multiple shims, allowing you to adapt a 31.8mm handlebar to a stem with a 28.6mm clamp diameter. These shims are made from high-quality materials that provide durability and reliability, ensuring that they will withstand the rigors of regular riding. The shims are also designed to be easily adjustable, allowing you to fine-tune the fit of your stem to ensure maximum comfort and control.

Each shim in the kit is numbered and color-coded for easy identification, making it simple to determine which shim is needed for your specific application. The shims are also designed to be stackable, allowing you to use multiple shims if necessary to achieve the desired clamping force.

Installing the RT-55 shim kit is a straightforward process. Simply slide the shims onto the handlebar, starting with the largest shim and working your way down to the smallest. Once the correct combination of shims has been installed, securely clamp the stem onto the handlebar.

The Ritchey Logic Adjustable Stem Shim Kit (RT-55) is an essential accessory for any cyclist who needs to adapt a 31.8mm handlebar to a stem with a 28.6mm clamp diameter. Its versatility, durability, and ease of use make it an indispensable addition to any bike repair or tool kit. Whether you're a weekend warrior or a professional racer, this shim kit will help ensure that your bike is always ready to ride.

Ritchey RT55005317002 Stem Adaptor Shim: A Comprehensive Analysis

The Ritchey RT55005317002 Stem Adaptor Shim is a component designed to facilitate the use of 31.8mm handlebars on bikes with a 28.6mm (1-1/8 inch) stem. In this analysis, we will discuss the potential benefits and drawbacks of purchasing this product.

1. Compatibility: This adaptor shim is specifically designed for use with Ritchey stems and handlebars, ensuring a perfect fit and function.

2. Versatility: The adaptor shim allows the use of modern 31.8mm handlebars on older bikes with 28.6mm stems, expanding the range of available handlebar options.

3. Easy installation: The adaptor shim can be installed quickly and easily, often requiring no additional tools.

4. Durability: Ritchey is known for producing high-quality components, and this adaptor shim is no exception. It is built to last and withstand the rigors of regular cycling use.

1. Limited compatibility: The Ritchey RT55005317002 Stem Adaptor Shim is designed for use with Ritchey stems and handlebars only. It may not be compatible with components from other manufacturers.

2. Additional cost: For those looking to upgrade their handlebars, the cost of the adaptor shim may add to the overall expense of the project.

3. May require additional parts: Depending on the specific configuration of the bike, additional parts (such as spacers or extenders) may be required to ensure proper fit and function.

The Ritchey RT55005317002 Stem Adaptor Shim is an essential component for those looking to use modern handlebars on older bikes with 28.6mm stems. Its compatibility with Ritchey components, ease of installation, and durability make it a worthwhile investment for many cyclists. However, its limited compatibility with components from other manufacturers and potential need for additional parts may be drawbacks for some.

If you are a Ritchey user and looking to upgrade your handlebars on an older bike with a 28.6mm stem, the Ritchey RT55005317002 Stem Adaptor Shim is a solid choice. Its benefits outweigh the drawbacks for most users, and it will allow you to enjoy the benefits of modern handlebar technology on your older bike. However, if you are not a Ritchey user or prefer to use components from other manufacturers, you may want to consider alternative solutions or adaptors that are compatible with a wider range of components.

Details:

Forks with a 28.6mm 1-1/8 steered can now be used stems 31.8mm 1-1/4 diameter, thanks to the genuine Ritchey Stem Shim adaptor. 1-1/4 To 1-1/8. Material: 6061 Alloy. Ritchey Stem Adaptor Shim,Black: 31.8 to 28.6mm - 1-1, Black.

part #: rt55005317002 prices

• $11.46-$26.99

specifications velocipedespark:

• brand: Ritchey
• part type: Stem Adapter
• color: Black
• manufacturer part number: RT55005317002
• upc: 796941551052

general velocipedespark:

• Cycling > Bicycle Electronics > Other Bicycle Electronics
• condition: New

offer velocipedespark:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• started: April 9, 2026

seller velocipedespark:

• city: Denver, Colorado
• rating: 100.0%
• # reviews: 78

payments velocipedespark:

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• other
• wallet: Google-pay

shipping velocipedespark:

• type: Fixed
• cost: $0.00
• class: Standard
• transit: 4-8 Days
• service: Standard

returns velocipedespark:

• time: 30 Days
• policy: Returns Accepted
• method: Money back
• paid by: Buyer

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